Ever wonder who rings your doorbell when you're not home? Or do you crank music up too loud most of the day to hear it anyway? If so, Make Projects user Clement Storck built a simple Arduino powered ...

If you've ever wanted a way to monitor your doorbell from anywhere—complete with video and audio—Instructables user macgeek shows off how to build a system that monitors your doorbell, than kicks you ...

This is an interesting one - how to make a smart doorbell using Arduino (basically, using a simple AI model to detect the doorbell ringing sound). The system uses the Renesas RA4M1-based Arduino UNO ...

[Piet] wrote in to tell us about his hack that allows for his front gate to be opened without a key. Unlike this hack that we featured in August, you don’t need a subway pass, just a good memory. As ...